Finding the Fourth Proportional to 196,410.24, 271,036.80 and 111,516

Step by Step Solution

1. Step 1: Write the proportion equation
   196,410.24 : 271,036.80 = 111,516 : x
2. Step 2: Convert to fraction form
   196,410.24/271,036.80 = 111,516/x
3. Step 3: Cross multiply
   196,410.24x = 271,036.80 × 111,516
4. Step 4: Simplify right side
   196,410.24x = 30,224,939,788.80
5. Step 5: Solve for x
   x = 30,224,939,788.80/196,410.24
6. Step 6: Final answer
   x = 153,886.78